CN201634468U - Microwave sewage treatment unit - Google Patents
Microwave sewage treatment unit Download PDFInfo
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- CN201634468U CN201634468U CN2010201376071U CN201020137607U CN201634468U CN 201634468 U CN201634468 U CN 201634468U CN 2010201376071 U CN2010201376071 U CN 2010201376071U CN 201020137607 U CN201020137607 U CN 201020137607U CN 201634468 U CN201634468 U CN 201634468U
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Abstract
A microwave sewage treatment unit solves the technical problem that the microwave sewage treatment unit is provided with a group of small power microwave transmitter to realize the sewage treatment. The adopted technical scheme is that a sewage inlet pipe and a sewage outlet pipe are respectively connected with the two ends of a microwave radiation pipe to form a sewage treatment core; five microwave generators form one group; each group of microwave generator is uniformly distributed on a microwave generator mounting stand outside the microwave radiation pipe on the same section of the microwave radiation pipe; a microwave shield cavity is in a closed square structure formed by a shield layer and an insulating layer, and the microwave generators installed on the microwave generator mounting stand are positioned in the closed structure formed by the shield layer and the insulating layer. The utility model has the beneficial effect that the structure is simple, a plurality of small power microwave generators can simultaneously perform microwave treatment to sewage, the microwave strength of sewage treatment per unit section through the wave source combined microwave is improved by 10 to 20 times, the removing efficiency of COD, NH3-N and the like in sewage is improved by above 1.2 times, the reaction time is shortened to the one eighth to one tenth of the conventional sewage treatment unit, and the sewage treatment capacity per unit power is improved by 1.5 to 2 times.
Description
Affiliated technical field
The utility model belongs to environmental technology field, relates to a kind of microwave sewage treatment device.
Background technology
One, the mechanism of microwave sewage disposal
Microwave technology originates from the thirties in 20th century; be applied to communication field at first; between the more than ten years, people begin just to notice that microwave technology is applied in the potentiality in the field of environment protection up to date, and microwave current now has been successfully used to waste gas, waste water, solid useless processing and environmental monitoring.
Microwave treatment sewage is that the utilization microwave has in the convection cell ripple of suction material physical reaction and has intensive katalysis, convection cell that the effect of penetration and killing microorganisms is arranged.When fluid places microwave field, various solid phase particles can converge sedimentation and water sepn rapidly in the fluid, its deliquescent material (comprising macromolecule organic) carries out desorb and disappears falling under microwave high-frequency penetrates, final rate of decomposition reaches 100%, and the water quality stable for extended periods of time after handling.Microwave also has bacterium, the extremely strong characteristic of algae lethality, and blue-green algae promptly pools macrobead sedimentation and water sepn by particulate at short notice.
Two, the advantage of waste water microwave treatment technology
The existing conventional sewage microwave treatment method following advantage of having compared with the traditional wastewater facture:
(1), unit sewage disposal investment intensity is low, scale is greater than 5000m
3During/d, specific investment intensity is 800～1000 yuan/m
3Sewage.
(2), floor space is little, 1/10～1/30 of the floor space that equal scale only is the traditional wastewater facture.
(3), implement flexibly, sewage microwave treatment technology not only is suitable for the newly-built of large, medium and small type engineering, also be applicable to the technological transformation of present operating conventional art sewage work, especially use on highly difficult industrial sewage is handled, have both at home and abroad the inaccessiable effect of other sewage disposal technology at present.
(4), technical process is short, the physical reaction of contaminant degradation is rapid in the sewage, sewage enters microwave field 20～30 second flows through allotment and goes out, and finishes clarification and separates output clear water and aseptic mud in 5～7 minutes.
(5), unit sewage disposal working cost is low.
(6), pollutant removal is thorough in the sewage, its main physical and chemical index of the clear water of output can reach or approaching national surface water environment quality III class after the disposable processing of microwave, add various inductors (as: ferrous sulfate, diatomite etc.) synergy in sewage, its water outlet can reach national surface water environment quality I class.
(7), the sewage disposal process do not influence by ambient temperature and raw waste water Pollutant levels, traditional waste water treatment process but is controlled by the influence of these two factors.
(8), can arbitrarily open as required, stop in the sewage treatment process, after traditional biochemical process and activated sludge process are in a single day out of service, need two weeks to 1 a month ability to recover normal operation.
(9), realize the sustainable use and the sewage recycling of water, solve the problem of Freshwater resources worsening shortages; But a, the aseptic clear water reuse of output, b, the aseptic mud of output can act on the efficient compound fertilizer raw material.
(10), the sewage microwave treatment has special efficacy to the pathogenic agent of killing blue-green algae and kill in the sewage, demonstration project detects data and shows, the excrement colibacillus group value is 24 * 10 before the municipal wastewater microwave treatment
4Individual/L, outlet only is 20/L.
Three, the problem of domestic existing microwave sewage treatment device and existence thereof
The microwave sewage disposal technology originates from the eighties in last century, because its inherent characteristics, has domesticly also done a large amount of research, because advanced its work effect that directly influences of simple relatively its treatment unit of its technology.Numerous industrialization and announcement microwave sewage treatment device in a common characteristic all arranged:
Existing microwave sewage treatment device is formed by wave source (containing microwave power adjustable control system), microwave micro-wave screening chamber, microwave sewage disposal core, three parts.Its typical case is represented as: the disclosed number of patent application of Chinese patent is " 200810029022.5 " a kind of equipment patent of utilizing micro-wave energy to dispose of sewage.
The wave source of prior art is most of to adopt high-power single wave source form, and high-power microwave source is low in the following cost of 20KW both at home and abroad, long service life, and it is higher to be higher than its cost of manufacture of 20KW wave source, and the life-span is shorter.Be subjected to this to influence the single installation scale of domestic and international microwave sewage treatment device and generally be lower than 20KW, directly having restricted its treatment scale influences market development.
Existing microwave sewage treatment device all adopts case structure on the structure in micro-wave screening chamber, be subjected to the influence of the factor such as penetration depth, swept area, field distribution of microwave, and its volume is less.The microwave intensity of unit cross-sectional area is less, because of be directly proportional with the performance of its " thermal effect " and " non-thermal effect " row relation of cross section microwave intensity, causes the residence time of process longer, average 20-30 second.
Existing microwave sewage treatment device all is provided with microwave sewage disposal core in the micro-wave screening chamber, after sewage is introduced and is handled core, and baffling in the various special-shaped piping system of its setting, its process is subjected to microwave radiation, finishes microwave reaction.Because the volume and the structural limitations in above-mentioned microwave micro-wave screening chamber, its unit volume of handling core is less relatively, add that the reaction times reaches 20-30 second, its in-core flow velocity is slower, directly influence its processing power, while, at various special-shaped interfaces, very easily occurring stopping up carbon distribution influenced operation stability owing to the rapid precipitation of the large amount of organic in the sewage, because flow velocity accumulates in the internal surface of sewage disposal core more slowly.
Summary of the invention
On microwave sewage treatment device, use the following low power microwave projector of 20KW to realize sewage disposal for solving, the microwave that guarantees the microwave generator emission does not interfere in the load cross section, overlapping, offseting phenomenon, and the utility model designs a kind of microwave sewage treatment device structure.
The utility model realizes that the technical scheme that goal of the invention adopts is that microwave sewage treatment device comprises microwave generator, sewage disposal core, micro-wave screening chamber, frame and MICROWAVE PROTECTION layer.
Described sewage disposal core comprises: sewage inlet pipe, and sewage goes out pipe and microwave radiation pipe, and sewage inlet pipe goes out pipe with sewage and is connected with microwave radiation pipe two ends respectively, and sewage inlet pipe and sewage go out pipe and are fixed on the frame by support respectively.
5 of described microwave generators are one group, and on the uniform microwave generator erecting frame that is arranged on outside the microwave radiation pipe, the microwave generator erecting frame is fixed on the frame on the same transverse section of microwave radiation pipe for every group of microwave generator.
Described micro-wave screening chamber, by the sealing rectangular configuration that screen layer and external thermal insulation constitute, the microwave generator that is installed on the producer erecting frame is in the enclosed construction of screen layer and external thermal insulation formation.
The beneficial effects of the utility model are, simple in structure, use a plurality of low power microwave projectors simultaneously sewage to be carried out microwave treatment, this wave source combination microwave is to sewage disposal, the microwave intensity in unit cross section is 10-20 a times of existing apparatus, and it promotes that " non-thermal effect " effect of reaction is obvious, and the clearance of the COD of sewage, NH3-N etc. is more than 1.2 times of conventional equipment, reaction times foreshortens to the 1/8-1/10 of conventional equipment, and the unit power sewage treatment capacity improves 1.5-2 doubly.
Below in conjunction with accompanying drawing the utility model is described in detail.
Description of drawings
1 pair of the utility model structural representation of accompanying drawing.
Accompanying drawing 2 is an accompanying drawing 1A-A diagrammatic cross-section.
In the accompanying drawing, 1-1, sewage inlet pipe, 1-2 sewage goes out pipe, 2 microwave radiation pipes, 3 supports, 4 frames, 5 microwave generators, 6 microwave generator erecting frames, 7 screen layers, 8 external thermal insulations, 9 water inlet control valves, 10 water control valves, 11 safety exhausts.
Embodiment
Referring to accompanying drawing, microwave sewage treatment device comprises microwave generator, sewage disposal core, micro-wave screening chamber, frame and MICROWAVE PROTECTION layer.
Described sewage disposal core comprises: sewage inlet pipe 1-1, sewage go out to manage 1-2 and microwave radiation pipe 2, and sewage inlet pipe 1-1 goes out to manage 1-2 with sewage and is connected with microwave radiation pipe 2 two ends respectively, and sewage inlet pipe 1-1 and sewage go out to manage 1-2 and is fixed on the frame 4 by support 3 respectively.
5 five of described microwave generators are one group, and on the uniform microwave generator erecting frame 6 that is arranged on outside the microwave radiation pipe 2, microwave generator erecting frame 6 is fixed on the frame 4 on the same radially section of microwave radiation pipe 2 for every group of microwave generator 5.
Described micro-wave screening chamber, by the sealing rectangular configuration that screen layer 7 and external thermal insulation 8 constitute, the microwave generator 5 that is installed on the producer erecting frame 6 is in the enclosed construction of screen layer 7 and external thermal insulation 8 formations.
The utility model is for the microwave that guarantees microwave generator 5 emissions does not interfere in microwave radiation pipe 2 cross sections, overlapping, offseting phenomenon.In microwave cross section in groups, it is adopted 5 star-shaped arrangements on the same radially section of microwave radiation pipe 2.
Because the absorbing medium of microwave sewage treatment device is a water, its microwave absorbing is good, and scientific and reasonable in addition wave source distributes, and its amount of leakage is less, but for safety, the utility model is provided with the micro-wave screening chamber, and its major function is micro-wave screening and heat insulating function.
The enclosed construction that is made of screen layer 7 and external thermal insulation 8 constitutes the micro-wave screening chamber of rectangle structure, adopt rectangle structure, screen layer 7 stainless steel plates are made, all trims adopt red copper as stopping composition, guarantee that the leakage rate of microwave is lower than the radiation quantity of conventional mobile phone, realization is perfectly safe, and external thermal insulation 8 heat insulation measures guarantee the heat minimum loss, improves energy utilization rate.
It is big to the utlity model has in the sewage disposal core microwave radiation pipe 2 cross section microwave densities, the advantage that reaction times is short, so being designed to sewage inlet pipe 1-1, this microwave sewage disposal core goes out to manage the straight tube structure that 1-2 is connected with microwave radiation pipe 2 two ends respectively with sewage, pipeline adopts integrated structure, sewage inlet pipe 1-1 and sewage go out to manage 1-2 and adopt stainless steel structure, microwave radiation pipe 2 adopting quartz glass pipes (or high alumina ceramic pipe), because microwave penetration rate＞95% of above-mentioned materials, its purpose mainly are to improve the functioning efficiency of microwave for medium in the pipe.Owing to be straight tube structure, conveniently wash simultaneously.Stop that the special-shaped pipeline mud of existing microwave sewage disposal core stops up, the exhaust of steam mixed flow is smooth, flushing not thoroughly, the drawback of complex structure, fluctuation of service.Its internal surface carbon distribution cleaning difficulty of straight tube structure and effect obviously are better than common special-shaped pipeline.
Because the wave source of 5 star-shaped arrangements combination, the microwave intensity in the microwave radiation pipe 2 unit cross sections in its microwave sewage disposal core is 10-20 times of existing apparatus, it promotes that " non-thermal effect " effect of reaction is obvious, the clearance of the COD of sewage, NH3-N etc. is more than 1.2 times of conventional equipment, reaction times foreshortens to 1/8-1/10 (2-3 second of conventional equipment, under the inductor synergy) about, the unit power sewage treatment capacity improves 1.5-2 doubly.
Influenced by the residence time, the depth of microwave penetration, recommend best microwave radiation pipe 2 diameter 80-100mm, sewage advection speed 1-1.2 meter per second, microwave radiation pipe 2 length are about: 3-4m.
Among the utility model embodiment, the axis of microwave radiation pipe 2 equidistantly is provided with by the microwave wavelength that 2 times microwave generator 5 sends between every group of microwave generator 5.According to the design length of microwave radiation pipe 2, the group number of microwave generator 5 is set.Simultaneously on circumference adjacent two wave sources revolve long distance more than or equal to two wavelength, 3-4 wavelength of tangent line circle diameter of five-pointed star shape wave source stationary installation fully guarantees being evenly distributed of in the load cross section (" microwave sewage disposal core " cross section).Width between centers at every group of microwave device in the cross section of connecting in groups equals two wavelength.The single magnetron type selecting of combination microwave emissive source can dispose arbitrarily from 500-2KW, and every group of power is 2.5KW-10KW, and the series connection group is several according to the needs arbitrary combination, for controlling convenient general 8-50 of the series connection of recommending.But microwave generator 5 independent control, the start-stop that can divide into groups arbitrarily reduces the controlling organization cost of manufacture, handled easily, control reliability service good stability.
For according to microwave generator 5 working conditions, effectively control the discharge of sewage, sewage inlet pipe 1-1 goes out to manage 1-2 with sewage and is connected with microwave radiation pipe 2 with outlet water control valve 10 through water inlet control valve 9 respectively.By the water inlet control valve 9 and the outlet water control valve 10 control discharges of sewage.
Among the utility model embodiment, sewage goes out to manage 1-2 and is provided with safe vapor cock 11.Safe vapor cock 11 guarantees that gas in time discharges, and improves security.The steam that forms behind the microwave reaction possesses certain pressure, and the safe vapor cock 11 by the water side discharges, and its control pressure is about 0.02-0.04MPa, improves the stability of system.
Claims (4)
1. a microwave sewage treatment device comprises microwave generator, sewage disposal core, micro-wave screening chamber, and frame and MICROWAVE PROTECTION layer is characterized in that:
A, described sewage disposal core comprise: sewage inlet pipe (1-1), sewage goes out pipe (1-2) and microwave radiation pipe (2), sewage inlet pipe (1-1) goes out pipe (1-2) with sewage and is connected with microwave radiation pipe (2) two ends respectively, and sewage inlet pipe (1-1) and sewage go out pipe (1-2) and is fixed on the frame (4) by support (3) respectively;
B, (5) 5 of described microwave generators are one group, on the uniform microwave generator erecting frame (6) that is arranged on outside the microwave radiation pipe (2), microwave generator erecting frame (6) is fixed on the frame (4) every group of microwave generator (5) on the same radially section of microwave radiation pipe (2); C, described micro-wave screening chamber, by the sealing rectangular configuration that screen layer (7) and external thermal insulation (8) constitute, the microwave generator (5) that is installed on the producer erecting frame (6) is in the enclosed construction of screen layer (7) and external thermal insulation (8) formation.
2. a kind of microwave sewage treatment device according to claim 1 and 2 is characterized in that: the axis of microwave radiation pipe (2) equidistantly is provided with by the microwave wavelength that 2 times microwave generator (5) sends between described every group of microwave generator (5).
3. a kind of microwave sewage treatment device according to claim 1 is characterized in that: described sewage inlet pipe (1-1) goes out pipe (1-2) with sewage and is connected with microwave radiation pipe (2) with outlet water control valve (10) through water inlet control valve (9) respectively.
4. a kind of microwave sewage treatment device according to claim 1 and 2 is characterized in that: described sewage goes out pipe (1-2) and is provided with safe vapor cock (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201376071U CN201634468U (en) | 2010-03-19 | 2010-03-19 | Microwave sewage treatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201376071U CN201634468U (en) | 2010-03-19 | 2010-03-19 | Microwave sewage treatment unit |
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|---|---|
| CN201634468U true CN201634468U (en) | 2010-11-17 |
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|---|---|---|---|
| CN2010201376071U Expired - Fee Related CN201634468U (en) | 2010-03-19 | 2010-03-19 | Microwave sewage treatment unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033513A (en) * | 2018-01-22 | 2018-05-15 | 北京石油化工学院 | A kind of microwave radiation sewage disposal reaction system |
| CN108975448A (en) * | 2018-10-11 | 2018-12-11 | 北京石油化工学院 | Magnetron built-in microwave strengthens heterogeneous catalysis/adsorbent fluidization bed waste water treatment system |
| CN109019757A (en) * | 2018-10-11 | 2018-12-18 | 北京石油化工学院 | A kind of microwave transmission and sewage treatment integrated tube type sewage-treating reactor |
| CN111994993A (en) * | 2020-09-15 | 2020-11-27 | 株洲聚润合微波工业炉有限公司 | Method and device for inactivating pathogenic substances in domestic sewage by using microwaves |
-
2010
- 2010-03-19 CN CN2010201376071U patent/CN201634468U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033513A (en) * | 2018-01-22 | 2018-05-15 | 北京石油化工学院 | A kind of microwave radiation sewage disposal reaction system |
| CN108033513B (en) * | 2018-01-22 | 2023-08-29 | 北京石油化工学院 | Microwave radiation sewage treatment reaction system |
| CN108975448A (en) * | 2018-10-11 | 2018-12-11 | 北京石油化工学院 | Magnetron built-in microwave strengthens heterogeneous catalysis/adsorbent fluidization bed waste water treatment system |
| CN109019757A (en) * | 2018-10-11 | 2018-12-18 | 北京石油化工学院 | A kind of microwave transmission and sewage treatment integrated tube type sewage-treating reactor |
| CN108975448B (en) * | 2018-10-11 | 2023-10-13 | 北京石油化工学院 | Magnetron built-in microwave reinforced multiphase catalysis/adsorption fluidized bed sewage treatment system |
| CN109019757B (en) * | 2018-10-11 | 2023-10-27 | 北京石油化工学院 | Microwave conduction and sewage treatment integrated tubular sewage treatment reactor |
| CN111994993A (en) * | 2020-09-15 | 2020-11-27 | 株洲聚润合微波工业炉有限公司 | Method and device for inactivating pathogenic substances in domestic sewage by using microwaves |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20140319 |